This is a very simple Caesar cipher that will allow you to convert standard letters in to an encoded format. You can also decipher a code you have received (if you have the key).
Simply turn the inner wheel with your finger to change the key, or use the increase buttons below. Its that simple!
Encoding a message? Cant choose a key? Hit the die in the bottom right corner, and the app will choose a key for you. Cant pick a key? Hit the die and the device does it for you.